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Reindex Ukrainian-language wikis to enable unpacked analysis
Closed, ResolvedPublic2 Estimated Story Points

Description

Once the patch for T318264: Investigate Unpacking Ukrainian Analyzer is deployed and T322776: Deploy Ukrainian Analyzer Plugin is complete (i.e., plugin available on our prod servers), we need to reindex Ukrainian-language wikis to enable the changes and updates.

Event Timeline

Full write up on Mediawiki.

Summary: Small but meaningful decrease in zero-results rate (1 in 25 now get results), with ICU folding and homoglyph normalization (woo hoo!) creating the biggest impact! The updated dictionary helped recall, too.